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Published in:
2004 | OriginalPaper | Chapter
State Transitions and Events
Authors : Prof. Zhou Chaochen, Assoc. Prof. Dr. Michael R. Hansen
Published in: Duration Calculus
Publisher: Springer Berlin Heidelberg
Included in: Professional Book Archive
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A real-time system may comprise both states and events. A state of a system characterizes a stable aspect of the system behavior. By stable, we mean that once the system enters a state, it will stay in that state throughout a period. An event of a system characterizes an instant interaction of the system with its environment. This can drive both the system and its environment to change their behavior dramatically.